package com.qch.edu;

import java.math.BigDecimal;
import java.util.regex.Pattern;

/**
 * @Author qch
 * @Date 2021/3/15
 */
public class Print {
    public static void main(String[] args) {
      String s=":";
        String[] split = s.split(":");
        System.out.println(split.length);
        for (String s1 : split) {
            System.out.println(s1);
        }
  /*      BigDecimal bigDecimal = new BigDecimal("");
        System.out.println(bigDecimal);*/
        Pattern.compile("^1");
    }
}
